sampling point
Marcham Brook At Fyfield

Description	MARCHAM BROOK AT FYFIELD
Sampling point ID	TH-POCR0010
Type	Freshwater – Rivers
Status	open
Location	easting northing: 442665 198845 lat lon: 51.686743, -1.384225
Area	West Thames
Sub-Area	L&W North Wt
Summary	125 samples taken between 2024 and 2000

Determinands identify a property which can be measured on a sample or the sampling environment, together with the units in which the result of that measurement will be expressed.

51 determinands have been measured at this site

Action taken
Alky pH 4.5
Ammonia(N)
B-[a]-pyrene
B-[b]-fluora
B-[ghi]-pery
B-[k]-fluora
BOD ATU
Bifenthrin
C - Org Filt
Ca Filtered
Cd Filtered
Chloride Ion
Cond @ 25C
Cr- Filtered
Cu BLM Bio
Cu Filtered
Cypermethrin
DELTAMETHRIN
Fe- Filt
Flumethrin
Fluoranthene
HBCDD
Ind123pyrene
L Cyhalothrn
Mg Filtered
Mn BLM Bio
Mn- Filtered
N Oxidised
NH3 un-ion
Ni BLM Bio
Ni- Filtered
Nitrate-N
Nitrite-N
O Diss %sat
Orthophospht
Oxygen Diss
PFOS
Pb BLM Bio
Pb Filtered
Permethrn-Tr
Permethrn-cs
SI-GQA
Temp Water
TriBT Cation
Type of Flow
Zn BLM Bio
Zn- Filtered
pFoctanoate
pH
pH in-situ

Displaying the twenty most recent samples. You can see all 125 sample results (note that in some cases this may take a considerable time, and use significant data bandwidth).

Samples from 7 Nov 2017 to 27 Jun 2024

Notation	Determinand	Units	7 Nov 2017 08:50	7 Dec 2017 13:27	8 Jan 2018 08:55	14 Feb 2018 10:24	26 Mar 2018 15:41	27 Jun 2019 10:03	12 Sep 2019 11:46	11 Nov 2019 09:47	29 Jan 2020 15:53	27 Jun 2024 10:14
0061	pH							8.16	7.89	7.74	8.06	7.77
0073	Cypermethrin	μg/l	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002
0076	Temperature of Water	°C						14.6	15.9	8.5	7.3	17.2
0077	Conductivity at 25 C	μs/cm						547	1055	801	875	933
0085	BOD : 5 Day ATU	mg/l										< 4
0111	Ammoniacal Nitrogen as N	mg/l						0.039	< 0.03	0.386	0.42	0.087
0116	Nitrogen, Total Oxidised as N	mg/l						18.9	30	8.43	11	20
0117	Nitrate as N	mg/l						18.9	30	8.35	10.9	19.8
0118	Nitrite as N	mg/l						0.0355	0.046	0.0797	0.11	0.17
0119	Ammonia un-ionised as N	mg/l						0.001	< 0.00066	0.00349	0.00628	0.0016
0162	Alkalinity to pH 4.5 as CaCO3	mg/l						207	150	247	260	230
0180	Orthophosphate, reactive as P	mg/l						1.87	2.9	0.249	0.32	1.2
7562	Deltamethrin	μg/l	< 0.002	< 0.002	< 0.002
8896	Bifenthrin	μg/l	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
9341	cis-Permethrin	μg/l	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002
9342	trans-Permethrin	μg/l	< 0.001	< 0.001	0.00163	< 0.001	< 0.001
9472	Lambda-cyhalothrin	μg/l	< 0.002	< 0.002	< 0.002	< 0.002	< 0.002
9862	Flumethrin	μg/l	< 0.003	< 0.003	< 0.003	< 0.003	< 0.003
9901	Oxygen, Dissolved, % Saturation	%						93.6	72	88.1	73.4	67.2
9924	Oxygen, Dissolved as O2	mg/l						9.5	7.1	10.3	8.83	6.45

Samples from 9 Mar 2017 to 31 Oct 2017

Notation	Determinand	Units	9 Mar 2017 17:08	20 Mar 2017 15:37	24 Apr 2017 15:06	9 May 2017 14:52	2 Jun 2017 11:40	10 Jul 2017 15:40	27 Jul 2017 13:02	16 Aug 2017 13:21	20 Sep 2017 12:34	31 Oct 2017 14:24
0052	Lead, Dissolved	μg/l	0.217	< 0.1	< 0.1	< 0.1	0.114	0.155		0.132	0.12	0.309
0061	pH		8.08	7.86	7.91	7.95	7.84	7.6		7.8	7.9	7.73
0073	Cypermethrin	μg/l	< 1.0e-05	< 2.0e-05	5.0e-05	< 1.0e-05	6.0e-05	8.0e-05		5.0e-05	< 7.0e-05	3.0e-05
0076	Temperature of Water	°C				10.2
0077	Conductivity at 25 C	μs/cm				942
0106	Cadmium, Dissolved	μg/l	< 0.02	< 0.01	< 0.01	0.0107	0.0104	0.0185		0.0111	< 0.01	0.0162
0111	Ammoniacal Nitrogen as N	mg/l				0.045
0116	Nitrogen, Total Oxidised as N	mg/l				19.2
0117	Nitrate as N	mg/l				19.1
0118	Nitrite as N	mg/l				0.0648
0119	Ammonia un-ionised as N	mg/l				0.00074
0162	Alkalinity to pH 4.5 as CaCO3	mg/l				223
0180	Orthophosphate, reactive as P	mg/l				2.36
0235	Magnesium, Dissolved	mg/l			6.07	6.03	6.05	7.27		6.41	5.42	6.93
0239	Calcium, Dissolved	mg/l	132	132	134	131	129	112		124	120	135
0301	Carbon, Organic, Dissolved as C :- {DOC}	mg/l	4.27	5.3	5.91	5.65	5.7	8.48		6.7	5.93	6.85
0714	Benzo(g,h,i)Perylene	μg/l		0.00078			0.00109	0.0011		0.00209	0.00175	0.00176
0731	Benzo(b)Fluoranthene	μg/l		0.00055			0.00053	0.00044		0.00085	0.00074	0.00089
0733	Benzo(k)Fluoranthene	μg/l	0.00028	0.00026			0.00026	0.0002		0.0004	0.00034	0.00043
0736	Fluoranthene	μg/l	0.00121	0.00127	0.00085		0.00095	0.00103	0.00086	0.00085	0.00077	0.00085
0746	Indeno(1,2,3-cd)pyrene	μg/l	0.00075	0.00064			0.00072	0.00057		0.0014	0.00132	0.00133
3377	Lead : BLM Bioavailable	μg/l	0.05	0.01	0.01	0.01	0.02	0.02		0.02	0.02	0.05
3408	Zinc, Dissolved	μg/l	4.89	7.83	7.82	7.84	8.83	18.9		10.9	8	13.5
3409	Chromium, Dissolved	μg/l	< 1	< 0.5			< 0.5	< 0.5		< 0.5	< 0.5	< 0.5
3410	Nickel, Dissolved	μg/l	< 1	0.892	0.648	0.982	1.09	2.57		1.36	1.43	1.5
3878	Nickel : BLM Bioavailable	μg/l	0.22	0.28	0.2	0.33	0.33	0.52		0.36	0.44	0.37
4820	Manganese : BLM Bioavailable	μg/l	7.33	5.64			8.34	3.59		6.16	6.37	9.53
4821	Copper : BLM Bioavailable	μg/l	0.21	0.17	0.16	0.19	0.15	0.15		0.13	0.13	0.18
4822	Zinc : BLM Bioavailable	μg/l	1.97	2.86	2.66	2.72	3.11	5.51		3.52	2.73	4.37
6399	Benzo(a)Pyrene	μg/l		0.00046	0.00025	0.00028	< 2.0e-05	0.00039		0.00083	< 2.0e-05	< 2.0e-05
6450	Copper, Dissolved	μg/l	2.4	3.22	3.41	3.59	3.2	5.84		3.4	2.73	5.03
6458	Manganese, Dissolved	μg/l	11.2	13.2			20.3	13.9		16.2	13.8	28.7
6460	Iron, Dissolved	μg/l	< 30	34.3			40.1	35.7		45.4	34.7	124
7562	Deltamethrin	μg/l			< 0.002	< 0.002		< 0.002		< 0.002	< 0.002	< 0.002
8896	Bifenthrin	μg/l			< 0.001	< 0.001	< 0.001	< 0.001		< 0.001	< 0.001	< 0.001
8944	Tributyl Tin as Cation	μg/l	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002	< 0.0002		< 0.0002	< 0.0002	< 0.0002
9248	Hexabromocyclododecane Total: (Sum of a, b, g)	μg/l	0.00133	0.00264	0.00266	0.00213	0.00199	0.00332		0.0031	0.00219	0.00234
9274	Perfluorooctanoate anion	μg/l	0.00181	0.00276	0.00321	0.00251	0.00257	0.0055		0.00394	0.00265	0.00373
9276	Perfluorooctylsulphonate anion	μg/l	0.00101	0.00119	0.00176	0.00144	0.00263	0.00442		0.00327	0.00271	0.00193
9341	cis-Permethrin	μg/l			< 0.002	< 0.002	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002
9342	trans-Permethrin	μg/l			< 0.001	< 0.001	< 0.001	< 0.001		< 0.001	< 0.001	< 0.001
9472	Lambda-cyhalothrin	μg/l			< 0.002	< 0.002	< 0.002	< 0.002		< 0.002	< 0.002	< 0.002
9862	Flumethrin	μg/l			< 0.003	< 0.003	< 0.003	< 0.003		< 0.003	< 0.003	< 0.003
9901	Oxygen, Dissolved, % Saturation	%				71.1
9924	Oxygen, Dissolved as O2	mg/l				7.97

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sampling point Marcham Brook At Fyfield

Determinands

Sampling results

Samples from 7 Nov 2017 to 27 Jun 2024

Samples from 9 Mar 2017 to 31 Oct 2017

sampling point
Marcham Brook At Fyfield